Plus 2 Lecturer Mixed Practice Test #962

Question 1

A primary school teacher observes that many 7-year-old students struggle to understand that the amount of water remains the same when poured from a tall, narrow glass into a short, wide glass. According to Piaget's theory, which cognitive characteristic is most likely contributing to this difficulty?

Accepted Answer

C. Centration, causing them to focus on only one dimension (e.g., height) of the water level. — At age 7, many children are transitioning from the preoperational to the concrete operational stage. Difficulty with conservation tasks, like understanding volume changes, is often due to centration, a preoperational characteristic where children focus on only one salient feature (e.g., height) and ignore others. This prevents them from understanding that quantity remains constant despite changes in appearance.

Answer

A. Egocentrism, as they cannot take the perspective of the water.

Answer

B. Lack of object permanence, making them believe the water disappears.

Answer

D. Inability to engage in abstract thinking, as conservation requires complex logical operations.

Question 2

Second law (Kelvin-Planck) states:‌​‍

Accepted Answer

No engine can convert all heat into work in a cycle — Equivalent to Clausius statement. Entropy of isolated system never decreases.‌​‍

Answer

Entropy decreases

Answer

ΔU = Q - W

Answer

Energy is conserved

Question 3

The passive form of 'This shop sells all the vegetables':

Accepted Answer

All the vegetables are sold by this shop — Active 'shop sells' → Passive 'are sold by this shop'.

Answer

All the vegetables are sold in this shop

Answer

All the vegetables have been sold by this shop

Answer

All the vegetables are being sold by this shop

Question 4

Laterite soils are extensively found in the midland regions of Kerala. Considering their formation process and typical properties, which of the following statements accurately describes a key characteristic and its implication for agriculture in the state?

Accepted Answer

C. They are characterized by a high content of iron and aluminum oxides, are generally acidic, and have low fertility due to intense leaching of basic nutrients, requiring liming and fertilization for good yields. — Laterite soils form under hot, humid tropical conditions through intense leaching, which removes silica and most basic cations, leaving behind iron and aluminum oxides. This process makes them acidic and poor in essential plant nutrients and organic matter. Consequently, farmers in Kerala often need to apply lime to neutralize acidity and add fertilizers to improve soil fertility for successful cultivation.

Answer

A. They are highly fertile due to rich organic matter content and excellent water retention, supporting intensive farming without significant amendments.

Answer

B. They are formed through the deposition of river sediments, making them deep, well-aerated, and naturally rich in all macro-nutrients.

Answer

D. They possess a high cation exchange capacity and neutral pH, which allows for a wide variety of crops to thrive naturally even in dry conditions.

Question 5

Vakkom Abdul Khader Moulavi started which newspaper?‌​‍

Accepted Answer

Swadeshabhimani — Vakkom Maulavi launched Swadeshabhimani at Anchuthengu in 1905.‌​‍

Answer

Deshabhimani

Answer

Mathrubhumi

Answer

Malayala Manorama

Question 6

Which recent health policy initiative by the Government of Kerala aims to provide comprehensive primary health care services through Family Health Centres (FHCs) in every panchayat across the state?

Accepted Answer

B. Nava Kerala Mission - Health Sub-Mission — The Nava Kerala Mission - Health Sub-Mission introduced Family Health Centres (FHCs) to deliver primary care, prevention, and health promotion services at the community level. Arogya Keralam Mission focuses on health awareness and disease prevention, Ayushman Bharat HWC is a national scheme, and Kerala Comprehensive Health Insurance Scheme provides financial protection for secondary/tertiary care.

Answer

A. Arogya Keralam Mission

Answer

C. Ayushman Bharat Health and Wellness Centres

Answer

D. Kerala Comprehensive Health Insurance Scheme

Question 7

Kerala's Haritha Keralam Mission focuses on:

Accepted Answer

Waste management and organic farming — Haritha Keralam Mission focuses on waste management, organic farming, and water resource management.

Answer

IT development

Answer

Tourism promotion

Answer

Industrial growth

Question 8

Mahakumbh 2025:‌​‍

Accepted Answer

Prayagraj Jan-Feb — Prayagraj Mahakumbh Jan-Feb 2025.‌​‍

Answer

Nasik

Answer

Ujjain

Answer

Haridwar

Question 9

Correct form: 'There ___ many people at the party.'‌​‍

Accepted Answer

were — 'People' is plural → 'were'.‌​‍

Answer

has

Answer

is

Answer

was

Question 10

Vector dot product a·b =

Accepted Answer

|a||b| cos θ — Scalar. If perpendicular, a·b = 0. Also = a₁b₁ + a₂b₂ + a₃b₃.

Answer

|a||b| sin θ

Answer

|a|+|b|

Answer

Always zero

Plus 2 Lecturer Mixed Practice Test #962